Scientist and professor. Chiefly correspondence along with specimen lists, resolutions, clippings, printed material, and other papers relating primarily to Gibbes's career as professor of astronomy, mathematics, and physics at the College of Charleston in South Carolina. Includes his correspondence with other scientists on the subjects of astronomy, botany, chemistry, geology, meteorology, physics, and zoology. Other subjects relate to the American Association for the Advancement of Science and the Smithsonian Institution.